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Finding the Fourth Proportional to 8,249.80, 12,374.62 and 2,093.80

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Solution

The fourth proportional to 8,249.80, 12,374.62 and 2,093.80 is: 3,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.80 : 12,374.62 = 2,093.80 : x
  2. Step 2: Convert to fraction form
    8,249.80/12,374.62 = 2,093.80/x
  3. Step 3: Cross multiply
    8,249.80x = 12,374.62 × 2,093.80
  4. Step 4: Simplify right side
    8,249.80x = 25,909,979.36
  5. Step 5: Solve for x
    x = 25,909,979.36/8,249.80
  6. Step 6: Final answer
    x = 3,140.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.